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0024083: BRepCheck_Wire crashes processing a wire consisting of many edges
[occt.git] / src / BRepCheck / BRepCheck_Wire.cxx
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b311480e 1// Created on: 1995-12-12
2// Created by: Jacques GOUSSARD
3// Copyright (c) 1995-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21// Modified by dpf, Fri Dec 19 15:31:03 1997
0d969553 22// Processing of closing in 2d.
7fd59977 23// modified by eap Tue Dec 18 14:14:25 2001 (bug OCC23)
24// Check self-intersection in case of closed edge
7fd59977 25// modified by eap Fri Dec 21 17:36:55 2001 (bug OCC35)
26// Closed2d() added
27
28// Modified by skv - Wed Jul 23 12:22:20 2003 OCC1764
29
30#include <BRepCheck_Wire.ixx>
31#include <BRepCheck_ListOfStatus.hxx>
32#include <BRepCheck_ListIteratorOfListOfStatus.hxx>
33#include <TopTools_MapOfShape.hxx>
34#include <TopTools_MapIteratorOfMapOfShape.hxx>
35#include <TopTools_IndexedMapOfShape.hxx>
36#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
37#include <TopTools_DataMapOfShapeListOfShape.hxx>
38#include <TopTools_DataMapIteratorOfDataMapOfShapeListOfShape.hxx>
39#include <TopTools_ListOfShape.hxx>
40#include <TopTools_ListIteratorOfListOfShape.hxx>
41#include <TopExp_Explorer.hxx>
42#include <TopoDS_Iterator.hxx>
43#include <TopLoc_Location.hxx>
44#include <TColGeom2d_Array1OfCurve.hxx>
45#include <IntRes2d_Intersection.hxx>
46#include <IntRes2d_IntersectionPoint.hxx>
47#include <IntRes2d_IntersectionSegment.hxx>
48#include <IntRes2d_Transition.hxx>
49#include <IntRes2d_Domain.hxx>
50#include <Geom2dInt_GInter.hxx>
51#include <gp_Pnt2d.hxx>
52#include <gp_Pnt.hxx>
53#include <gp_Lin.hxx>
54#include <Geom2d_Curve.hxx>
55#include <Geom_Curve.hxx>
56#include <Geom2dAdaptor_Curve.hxx>
57#include <Geom2dAdaptor_HCurve.hxx>
58#include <BRep_Tool.hxx>
59#include <BRepAdaptor_Curve.hxx>
60#include <BRepAdaptor_Surface.hxx>
61#include <BRepAdaptor_HSurface.hxx>
62#include <BRepCheck.hxx>
63#include <TopoDS.hxx>
64#include <TopoDS_Vertex.hxx>
65#include <TopTools_MapOfOrientedShape.hxx>
66#include <TopTools_HArray1OfShape.hxx>
67#include <TopTools_MapIteratorOfMapOfOrientedShape.hxx>
68
69//Patch
70#include <Precision.hxx>
71#include <Bnd_Array1OfBox2d.hxx>
72#include <BndLib_Add2dCurve.hxx>
73
74//#ifdef WNT
75#include <stdio.h>
76#include <BRepTools_WireExplorer.hxx>
77#include <TopExp.hxx>
78//#endif
79
80#include <TopTools_IndexedMapOfOrientedShape.hxx>
81#include <ElCLib.hxx>
82
83
84static void Propagate(const TopTools_IndexedDataMapOfShapeListOfShape&,
85 const TopoDS_Shape&, // edge
86 TopTools_MapOfShape&); // mapofedge
87
88
89static TopAbs_Orientation GetOrientation(const TopTools_MapOfShape&,
90 const TopoDS_Edge&);
91
92
93static
94 void ChoixUV(const TopoDS_Vertex&,
95 const TopoDS_Edge&,
96 const TopoDS_Face&,
97 TopTools_ListOfShape&);
98
99// 20/03/02 akm vvv (OCC234)
100// static
101// Standard_Boolean CheckLoopOrientation( const TopoDS_Vertex&,
102// const TopoDS_Edge&,
103// const TopoDS_Edge&,
104// const TopoDS_Face&,
105// TopTools_ListOfShape&);
106// 20/03/02 akm ^^^
107
108inline Standard_Boolean IsOriented(const TopoDS_Shape& S)
109{
110 return (S.Orientation() == TopAbs_FORWARD ||
111 S.Orientation() == TopAbs_REVERSED);
112}
113
114static
115 void CurveDirForParameter(const Handle(Geom2d_Curve)& aC2d,
116 const Standard_Real aPrm,
117 gp_Pnt2d& Pnt,
118 gp_Vec2d& aVec2d);
119
120// Modified by Sergey KHROMOV - Thu Jun 20 11:21:51 2002 OCC325 Begin
121static Standard_Boolean IsClosed2dForPeriodicFace
122 (const TopoDS_Face &theFace,
123 const gp_Pnt2d &theP1,
124 const gp_Pnt2d &theP2,
125 const TopoDS_Vertex &theVertex);
126
127static Standard_Boolean GetPnt2d(const TopoDS_Vertex &theVertex,
128 const TopoDS_Edge &theEdge,
129 const TopoDS_Face &theFace,
130 gp_Pnt2d &aPnt);
131// Modified by Sergey KHROMOV - Wed May 22 10:44:08 2002 End
132
133//=======================================================================
134//function : BRepCheck_Wire
135//purpose :
136//=======================================================================
137BRepCheck_Wire::BRepCheck_Wire(const TopoDS_Wire& W)
138{
139 Init(W);
140}
141//=======================================================================
142//function : Minimum
143//purpose :
144//=======================================================================
145void BRepCheck_Wire::Minimum()
146{
147 myCdone = Standard_False;
148 myGctrl = Standard_True;
149 if (!myMin) {
150 BRepCheck_ListOfStatus thelist;
151 myMap.Bind(myShape, thelist);
152 BRepCheck_ListOfStatus& lst = myMap(myShape);
153
0d969553 154 // check that the wire is "connex"
7fd59977 155 TopExp_Explorer exp(myShape,TopAbs_EDGE);
156 Standard_Integer nbedge = 0;
157 myMapVE.Clear();
158 // fill myMapVE
159 for (; exp.More(); exp.Next()) {
160 nbedge++;
161 TopExp_Explorer expv;
162 for (expv.Init(exp.Current(),TopAbs_VERTEX);
163 expv.More(); expv.Next()) {
164 const TopoDS_Shape& vtx = expv.Current();
165 Standard_Integer index = myMapVE.FindIndex(vtx);
166 if (index == 0) {
167 TopTools_ListOfShape theListOfShape;
168 index = myMapVE.Add(vtx, theListOfShape);
169 }
170 myMapVE(index).Append(exp.Current());
171 }
172 }
173 // wire must have at least one edge
174 if (nbedge == 0) {
175 BRepCheck::Add(lst,BRepCheck_EmptyWire);
176 }
177 // check if all edges are connected through vertices
178 else if (nbedge >= 2) {
179 TopTools_MapOfShape mapE;
180 exp.ReInit();
181 Propagate(myMapVE,exp.Current(),mapE);
182 for (exp.ReInit(); exp.More(); exp.Next()) {
183 if (!mapE.Contains(exp.Current())) {
184 BRepCheck::Add(lst,BRepCheck_NotConnected);
185 break;
186 }
187 }
188 }
189 if (lst.IsEmpty()) {
190 lst.Append(BRepCheck_NoError);
191 }
192 myMapVE.Clear();
193 myMin = Standard_True;
194 }
195}
196//=======================================================================
197//function : InContext
198//purpose :
199//=======================================================================
200void BRepCheck_Wire::InContext(const TopoDS_Shape& S)
201{
202
203 if (myMap.IsBound(S)) {
204 return;
205 }
206 BRepCheck_ListOfStatus thelist;
207 myMap.Bind(S, thelist);
208
209 BRepCheck_ListOfStatus& lst = myMap(S);
210
211 // check if my wire is in <S>
212 TopExp_Explorer exp(S,TopAbs_WIRE);
213 for ( ; exp.More(); exp.Next()) {
214 if (exp.Current().IsSame(myShape)) {
215 break;
216 }
217 }
218 if (!exp.More()) {
219 BRepCheck::Add(lst,BRepCheck_SubshapeNotInShape);
220 return;
221 }
222
223 BRepCheck_Status st = BRepCheck_NoError;
224 TopAbs_ShapeEnum styp = S.ShapeType();
225 switch (styp) {
226
227 case TopAbs_FACE:
228 {
0d969553 229 TopoDS_Edge ed1,ed2;
7fd59977 230 if (myGctrl)
231 st = SelfIntersect(TopoDS::Face(S),ed1,ed2,Standard_True);
232 if (st != BRepCheck_NoError) break;
233 st = Closed();
234 if (st != BRepCheck_NoError) break;
235 st = Orientation(TopoDS::Face(S));
236 if (st != BRepCheck_NoError) break;
237 st = Closed2d(TopoDS::Face(S));
238 }
239 break;
240 default:
241 break;
242 }
243
244 if (st != BRepCheck_NoError)
245 BRepCheck::Add(lst,st);
246
247 if (lst.IsEmpty())
248 lst.Append(BRepCheck_NoError);
249}
250//=======================================================================
251//function : Blind
252//purpose :
253//=======================================================================
254void BRepCheck_Wire::Blind()
255{
256 if (!myBlind) {
0d969553 257 // nothing more that the minimum
7fd59977 258 myBlind = Standard_True;
259 }
260}
261//=======================================================================
262//function : Closed
263//purpose :
264//=======================================================================
265BRepCheck_Status BRepCheck_Wire::Closed(const Standard_Boolean Update)
266{
267
268 if (myCdone) {
269 if (Update) {
270 BRepCheck::Add(myMap(myShape),myCstat);
271 }
272 return myCstat;
273 }
274
0d969553 275 myCdone = Standard_True;
7fd59977 276
277 BRepCheck_ListIteratorOfListOfStatus itl(myMap(myShape));
278 if (itl.Value() != BRepCheck_NoError) {
279 myCstat = itl.Value();
0d969553 280 return myCstat; // already saved
7fd59977 281 }
282
283 myCstat = BRepCheck_NoError;
284
285 TopExp_Explorer exp,expv;
286 TopTools_MapOfShape mapS;
287 TopTools_DataMapOfShapeListOfShape Cradoc;
288 myMapVE.Clear();
289 // Checks if the oriented edges of the wire give a "closed" wire,
290 // i-e if each oriented vertex on oriented edges is found 2 times...
291 // myNbori = 0;
292 for (exp.Init(myShape,TopAbs_EDGE);exp.More(); exp.Next()) {
293 if (IsOriented(exp.Current())) {
294 // myNbori++;
295 if (!Cradoc.IsBound(exp.Current())) {
296 TopTools_ListOfShape theListOfShape;
297 Cradoc.Bind(exp.Current(), theListOfShape);
298 }
299 Cradoc(exp.Current()).Append(exp.Current());
300
301 mapS.Add(exp.Current());
302 for (expv.Init(exp.Current(),TopAbs_VERTEX); expv.More(); expv.Next()) {
303 if (IsOriented(expv.Current())) {
304 Standard_Integer index = myMapVE.FindIndex(expv.Current());
305 if (index == 0) {
306 TopTools_ListOfShape theListOfShape1;
307 index = myMapVE.Add(expv.Current(), theListOfShape1);
308 }
309 myMapVE(index).Append(exp.Current());
310 }
311 }
312 }
313 }
314
315 Standard_Integer theNbori = mapS.Extent();
316 if (theNbori >= 2) {
317 mapS.Clear();
318 for (exp.ReInit(); exp.More(); exp.Next()) {
319 if (IsOriented(exp.Current())) {
320 break;
321 }
322 }
323 Propagate(myMapVE,exp.Current(),mapS);
324 }
325 if (theNbori != mapS.Extent()) {
326 myCstat = BRepCheck_NotConnected;
327 if (Update) {
328 BRepCheck::Add(myMap(myShape),myCstat);
329 }
330 return myCstat;
331 }
332
333 // Checks the number of occurence of an edge : maximum 2, and in this
334 // case, one time FORWARD and one time REVERSED
335
336 Standard_Boolean yabug = Standard_False;
337 for (TopTools_DataMapIteratorOfDataMapOfShapeListOfShape itdm(Cradoc);
338 itdm.More(); itdm.Next()) {
339 if (itdm.Value().Extent() >= 3) {
340 yabug = Standard_True;
341 }
342 else if (itdm.Value().Extent() == 2) {
343 if (itdm.Value().First().Orientation() ==
344 itdm.Value().Last().Orientation()) {
345 yabug = Standard_True;
346 }
347 }
348 if (yabug) {
349 myCstat = BRepCheck_RedundantEdge;
350 if (Update) {
351 BRepCheck::Add(myMap(myShape),myCstat);
352 }
353 return myCstat;
354 }
355 }
356
357 for (Standard_Integer i = 1; i<= myMapVE.Extent(); i++) {
358 if (myMapVE(i).Extent()%2 != 0) {
359 myCstat=BRepCheck_NotClosed;
360 if (Update) {
361 BRepCheck::Add(myMap(myShape),myCstat);
362 }
363 return myCstat;
364 }
365 }
366
367 if (Update) {
368 BRepCheck::Add(myMap(myShape),myCstat);
369 }
370 return myCstat;
371}
3f257c62 372
373//=======================================================================
374//function : IsDistanceIn3DTolerance
375//purpose : Return Standard_True if distance between thePnt_f and
376// thePnt_l is not more, than aTol3d
377//=======================================================================
35e08fe8 378Standard_Boolean IsDistanceIn3DTolerance (const BRepAdaptor_Surface& /*aFaceSurface*/,
3f257c62 379 const gp_Pnt& thePnt_f,
380 const gp_Pnt& thePnt_l,
381 const Standard_Real aTol3d)
382 {
383 Standard_Real Dist = thePnt_f.Distance(thePnt_l);
384
385 if (Dist < aTol3d)
386 return Standard_True;
387
388#ifdef DEB
389 cout << endl;
390 cout << "--------Function IsDistanceIn3DTolerance(...)----------" << endl;
391 cout << "--- BRepCheck Wire: Closed3d -> Error" << endl;
392 cout << "--- Dist (" << Dist << ") > Tol3d (" << aTol3d << ")" << endl;
393 cout << "Pnt1(" << thePnt_f.X() << "; " << thePnt_f.Y() << "; " << thePnt_f.Z() << ")" << endl;
394 cout << "Pnt2(" << thePnt_l.X() << "; " << thePnt_l.Y() << "; " << thePnt_l.Z() << ")" << endl;
395 cout << "------------------------------------------------------" << endl;
396#endif
397
398 return Standard_False;
399 }
400
401//=======================================================================
402//function : IsDistanceIn3DTolerance
403//purpose :
404//=======================================================================
405Standard_Boolean IsDistanceIn2DTolerance (const BRepAdaptor_Surface& aFaceSurface,
406 const gp_Pnt2d& thePnt,
407 const gp_Pnt2d& thePntRef,
408 const Standard_Real aTol3d,
409 const Standard_Boolean PrintWarnings = Standard_True)
410 {
411 Standard_Real dumax = 0.01 * (aFaceSurface.LastUParameter() - aFaceSurface.FirstUParameter());
412 Standard_Real dvmax = 0.01 * (aFaceSurface.LastVParameter() - aFaceSurface.FirstVParameter());
413 Standard_Real dumin = Abs(thePnt.X() - thePntRef.X());
414 Standard_Real dvmin = Abs(thePnt.Y() - thePntRef.Y());
415
416 if((dumin < dumax) && (dvmin < dvmax))
417 return Standard_True;
418
419#ifdef DEB
420 if(PrintWarnings)
421 {
422 cout << endl;
423 cout << "--------Function IsDistanceIn2DTolerance(...)----------" << endl;
ab87e6fc 424 cout << "--- BRepCheck Wire: Not closed in 2d" << endl;
3f257c62 425 cout << "*****************************************************" << endl;
426 cout << "*dumin = " << dumin << "; dumax = " << dumax << endl;
427 cout << "* dvmin = " << dvmin << "; dvmax = " << dvmax << endl;
428 cout << "* (dumin > dumax) or (dvmin > dvmax)." << endl;
429 cout << "*****************************************************" << endl;
430 cout << endl;
431 cout << "UFirst = " << aFaceSurface.FirstUParameter();
432 cout << "; ULast = " << aFaceSurface.LastUParameter() << endl;
433 cout << "VFirst = " << aFaceSurface.FirstVParameter();
434 cout << "; VLast = " << aFaceSurface.LastVParameter() << endl;
435 }
436
437 dumax = aFaceSurface.UResolution(aTol3d);
438 dvmax = aFaceSurface.VResolution(aTol3d);
439
440 if(PrintWarnings)
441 {
442 cout << "aTol3d = " << aTol3d <<"; URes = " << dumax << "; VRes = " << dvmax << endl;
443 cout << "thePnt(" << thePnt.X() << "; " << thePnt.Y() << ")" << endl;
444 cout << "thePntRef(" << thePntRef.X() << "; " << thePntRef.Y() << ")" << endl;
445 }
446
447#else
448 dumax = aFaceSurface.UResolution(aTol3d);
449 dvmax = aFaceSurface.VResolution(aTol3d);
450#endif
451
452 Standard_Real aTol2d = 2*Max( dumax, dvmax);
453
454#ifdef DEB
455 if((aTol2d <= 0.0) && (PrintWarnings))
456 {
457 cout<<"BRepCheck_Wire : UResolution and VResolution = 0.0 (Face too small ?)"<<endl;
458 cout.flush();
459 }
460#endif
461
462 //Standard_Real Dist = thePntRef.Distance(thePnt);
463 Standard_Real Dist = Max(dumin, dvmin);
464
465 if (Dist < aTol2d)
466 return Standard_True;
467
468#ifdef DEB
469 if(PrintWarnings)
470 {
471 cout << endl;
472 cout << "--------Function IsDistanceIn2DTolerance(...)----------" << endl;
ab87e6fc 473 cout << "--- BRepCheck Wire: Not closed in 2d" << endl;
3f257c62 474 cout << "*****************************************************" << endl;
475 cout << "* Dist = " << Dist << " > Tol2d = " << aTol2d << endl;
476 cout << "*****************************************************" << endl;
477 cout << "aTol3d = " << aTol3d <<"; URes = " << dumax << "; VRes = " << dvmax << endl;
478 cout << "thePnt(" << thePnt.X() << "; " << thePnt.Y() << ")" << endl;
479 cout << "thePntRef(" << thePntRef.X() << "; " << thePntRef.Y() << ")" << endl;
480 }
481#endif
482
483 return Standard_False;
484 }
485
7fd59977 486//=======================================================================
487//function : Closed2d
488//purpose : for periodic faces
489//=======================================================================
490BRepCheck_Status BRepCheck_Wire::Closed2d(const TopoDS_Face& theFace,
491 const Standard_Boolean Update)
3f257c62 492 {
493 // 3d closure checked too
7fd59977 494 BRepCheck_Status aClosedStat = Closed();
3f257c62 495 if (aClosedStat != BRepCheck_NoError)
496 {
497 if (Update)
7fd59977 498 BRepCheck::Add(myMap(myShape),aClosedStat);
3f257c62 499
7fd59977 500 return aClosedStat;
3f257c62 501 }
7fd59977 502
3f257c62 503// 20/03/02 akm vvv : (OCC234) Hence this method will be used to check
504// both periodic and non-periodic faces
505// // this check is for periodic faces
7fd59977 506 BRepAdaptor_Surface aFaceSurface (theFace, Standard_False);
3f257c62 507// if (!aFaceSurface.IsUPeriodic() && !aFaceSurface.IsVPeriodic())
508// {
509// if (Update)
510// BRepCheck::Add(myMap(myShape),aClosedStat);
511// return aClosedStat;
512// }
513// 20/03/02 akm ^^^
514
515// count edges having FORWARD or REVERSED orientation
7fd59977 516 Standard_Integer aNbOrirntedEdges = 0;
517 TopExp_Explorer anEdgeExp(myShape,TopAbs_EDGE);
3f257c62 518 for (;anEdgeExp.More(); anEdgeExp.Next())
519 {
7fd59977 520 if (IsOriented(anEdgeExp.Current()))
521 aNbOrirntedEdges++;
3f257c62 522 }
523
7fd59977 524 if (aNbOrirntedEdges==0)
3f257c62 525 {
526 if (Update)
7fd59977 527 BRepCheck::Add(myMap(myShape),aClosedStat);
3f257c62 528
7fd59977 529 return aClosedStat;
3f257c62 530 }
7fd59977 531
3f257c62 532// all those edges must form a closed 2d contour and be found by WireExplorer
7fd59977 533
3f257c62 534 Standard_Integer aNbFoundEdges = 0;
7fd59977 535 BRepTools_WireExplorer aWireExp(TopoDS::Wire(myShape), theFace);
536 TopoDS_Edge aFirstEdge = aWireExp.Current();
537 TopoDS_Vertex aFirstVertex = aWireExp.CurrentVertex();
538 TopoDS_Edge aLastEdge;
3f257c62 539
7fd59977 540 for (;aWireExp.More(); aWireExp.Next())
3f257c62 541 {
7fd59977 542 aNbFoundEdges++;
543 aLastEdge = aWireExp.Current();
3f257c62 544 }
7fd59977 545
546 if (aNbFoundEdges != aNbOrirntedEdges)
3f257c62 547 {
7fd59977 548 aClosedStat = BRepCheck_NotClosed;
549 if (Update)
550 BRepCheck::Add(myMap(myShape),aClosedStat);
7fd59977 551
3f257c62 552 return aClosedStat;
553 }
554
555// Check distance between 2d ends of first and last edges
7fd59977 556// Modified by Sergey KHROMOV - Mon May 13 12:42:10 2002 Begin
557// First check if first and last edges are infinite:
558 Standard_Real aF;
559 Standard_Real aL;
560 Standard_Boolean isFirstInfinite = Standard_False;
561 Standard_Boolean isLastInfinite = Standard_False;
562 TopAbs_Orientation anOri;
563
564 anOri = aFirstEdge.Orientation();
565 BRep_Tool::Range(aFirstEdge, aF, aL);
3f257c62 566 if ((anOri == TopAbs_FORWARD && Precision::IsNegativeInfinite( aF )) ||
567 (anOri == TopAbs_REVERSED && Precision::IsPositiveInfinite( aL )))
7fd59977 568 isFirstInfinite = Standard_True;
569
570 anOri = aLastEdge.Orientation();
571 BRep_Tool::Range(aLastEdge, aF, aL);
3f257c62 572
573 if ((anOri == TopAbs_FORWARD && Precision::IsPositiveInfinite( aL )) ||
574 (anOri == TopAbs_REVERSED && Precision::IsNegativeInfinite( aF )))
7fd59977 575 isLastInfinite = Standard_True;
576
3f257c62 577 if (isFirstInfinite && isLastInfinite)
578 {
579 if (Update)
7fd59977 580 BRepCheck::Add(myMap(myShape),aClosedStat);
3f257c62 581
7fd59977 582 return aClosedStat;
3f257c62 583 }
584 else if (aFirstVertex.IsNull())
585 {
7fd59977 586 aClosedStat = BRepCheck_NotClosed;
3f257c62 587
7fd59977 588 if (Update)
589 BRepCheck::Add(myMap(myShape),aClosedStat);
3f257c62 590
7fd59977 591 return aClosedStat;
3f257c62 592 }
7fd59977 593// Modified by Sergey KHROMOV - Mon May 13 12:42:10 2002 End
594
3f257c62 595 gp_Pnt2d aP_first, aP_last, aP_temp; // ends of prev edge, next edge, bidon
7fd59977 596
3f257c62 597// get last point
598 BRep_Tool::UVPoints(aLastEdge, theFace, aP_temp, aP_last);
599 if (aLastEdge.Orientation() == TopAbs_REVERSED)
600 aP_last = aP_temp;
601
7fd59977 602// Modified by Sergey KHROMOV - Mon Apr 22 10:36:33 2002 Begin
603// Standard_Real aTol, aUResol, aVResol;
7fd59977 604// // find 2d tolerance
605// aTol = BRep_Tool::Tolerance(aFirstVertex);
606// aUResol = 2*aFaceSurface.UResolution(aTol);
607// aVResol = 2*aFaceSurface.VResolution(aTol);
608
3f257c62 609// get first point
7fd59977 610 if (aFirstEdge.Orientation() == TopAbs_REVERSED)
3f257c62 611 BRep_Tool::UVPoints(aFirstEdge, theFace, aP_temp, aP_first);
7fd59977 612 else
3f257c62 613 BRep_Tool::UVPoints(aFirstEdge, theFace, aP_first, aP_temp);
7fd59977 614
615// Modified by Sergey KHROMOV - Thu Jun 20 10:55:42 2002 OCC325 Begin
616// Check 2d distance for periodic faces with seam edge
3f257c62 617 if (!IsClosed2dForPeriodicFace(theFace, aP_first, aP_last, aFirstVertex))
618 {
7fd59977 619 aClosedStat = BRepCheck_NotClosed;
3f257c62 620 if (Update)
7fd59977 621 BRepCheck::Add(myMap(myShape),aClosedStat);
3f257c62 622
7fd59977 623 return aClosedStat;
3f257c62 624 }
7fd59977 625// Modified by Sergey KHROMOV - Thu Jun 20 10:58:05 2002 End
626
3f257c62 627// check distance
7fd59977 628// Standard_Real dfUDist=Abs(p.X()-p1.X());
629// Standard_Real dfVDist=Abs(p.Y()-p1.Y());
630// if (dfUDist > aUResol || dfVDist > aVResol)
631// {
3f257c62 632
633 Standard_Real aTol3d = Max(BRep_Tool::Tolerance(aFirstVertex),BRep_Tool::Tolerance(aWireExp.CurrentVertex()));
634
635 gp_Pnt aPntRef = BRep_Tool::Pnt(aFirstVertex);
636 gp_Pnt aPnt = BRep_Tool::Pnt(aWireExp.CurrentVertex());
637
638 if (!(IsDistanceIn2DTolerance(aFaceSurface, aP_first, aP_last, aTol3d)))
7fd59977 639 aClosedStat = BRepCheck_NotClosed;
3f257c62 640
641 if(!IsDistanceIn3DTolerance(aFaceSurface, aPntRef, aPnt, aTol3d))
642 aClosedStat = BRepCheck_NotClosed;
643
7fd59977 644 if (Update)
645 BRepCheck::Add(myMap(myShape),aClosedStat);
3f257c62 646
7fd59977 647 return aClosedStat;
3f257c62 648 }
7fd59977 649//=======================================================================
650//function : Orientation
651//purpose :
652//=======================================================================
653BRepCheck_Status BRepCheck_Wire::Orientation(const TopoDS_Face& F,
654 const Standard_Boolean Update)
655{
656 BRepCheck_Status theOstat = Closed();
657 if (theOstat != BRepCheck_NotClosed && theOstat != BRepCheck_NoError) {
658 if (Update) {
659 BRepCheck::Add(myMap(myShape),theOstat);
660 }
661 return theOstat;
662 }
663
664 theOstat = BRepCheck_NoError;
665
666 TopoDS_Vertex VF,VL;
7fd59977 667 TopAbs_Orientation orient, ortmp = TopAbs_FORWARD;
7fd59977 668 TopTools_ListOfShape ledge, ListOfPassedEdge;
669 TopExp_Explorer exp,vte;
670 TopTools_MapOfShape mapS;
671 TopoDS_Edge theEdge,theRef;
672
673 // Checks the orientation of the edges
674 for (exp.Init(myShape,TopAbs_EDGE); exp.More(); exp.Next()) {
675 const TopoDS_Edge& edg = TopoDS::Edge(exp.Current());
676 orient = edg.Orientation();
677 if (IsOriented(edg)) {
678 mapS.Add(edg);
679 theEdge = edg;
680 theRef = edg;
681 for (vte.Init(edg,TopAbs_VERTEX);vte.More(); vte.Next()) {
682 TopAbs_Orientation vto = vte.Current().Orientation();
683 if (vto == TopAbs_FORWARD) {
684 VF = TopoDS::Vertex(vte.Current());
685 }
686 else if (vto == TopAbs_REVERSED) {
687 VL = TopoDS::Vertex(vte.Current());
688 }
689 if (!VF.IsNull() && !VL.IsNull()) {
690 break;
691 }
692 }
693 if (VF.IsNull() && VL.IsNull())
694 theOstat = BRepCheck_InvalidDegeneratedFlag;
695 break;
696 }
697 }
698
699 if (theOstat == BRepCheck_NoError) {
700 Standard_Integer Index = 1;
701 Standard_Integer nbOriNoDegen=myMapVE.Extent();
702// Modified by Sergey KHROMOV - Tue May 21 17:12:45 2002 Begin
703 Standard_Boolean isGoFwd = Standard_True;
704
705 if (VL.IsNull())
706 isGoFwd = Standard_False;
707// Modified by Sergey KHROMOV - Tue May 21 17:12:45 2002 End
708
709 while (Index < nbOriNoDegen) {
710 ledge.Clear();
711 ListOfPassedEdge.Clear();
0d969553
Y		 712 // find edges that make a chain on VL if !VL.IsNull
713 // otherwise on VF.
7fd59977 714
715 Standard_Integer ind;
716 if (!VL.IsNull()) {
717 ind = myMapVE.FindIndex(VL);
718 }
719 else if (!VF.IsNull()) {
720 ind = myMapVE.FindIndex(VF);
721 }
722 else {
723 theOstat = BRepCheck_InvalidDegeneratedFlag;
724 break;
725 }
726
727 for (TopTools_ListIteratorOfListOfShape itls(myMapVE(ind));
728 itls.More(); itls.Next()) {
729 const TopoDS_Edge & edg = TopoDS::Edge(itls.Value());
730
731 orient = edg.Orientation();
732 if (mapS.Contains(edg)) ortmp = GetOrientation(mapS,edg);
733
734 //Add to list already passed outcoming edges
735 if (mapS.Contains(edg) && ortmp == orient && !edg.IsSame(theEdge))
736 for (vte.Init(edg,TopAbs_VERTEX); vte.More(); vte.Next())
737 {
738 TopAbs_Orientation vto = vte.Current().Orientation();
739 if (!VL.IsNull())
740 {
741 if (vto == TopAbs_FORWARD && VL.IsSame(vte.Current()))
742 {
743 ListOfPassedEdge.Append(edg);
744 break;
745 }
746 }
747 else // VF is not null
748 {
749 if (vto == TopAbs_REVERSED && VF.IsSame(vte.Current()))
750 {
751 ListOfPassedEdge.Append(edg);
752 break;
753 }
754 }
755 }
756
757 if (!mapS.Contains(edg) || ortmp != orient) {
758 for (vte.Init(edg,TopAbs_VERTEX);vte.More(); vte.Next()) {
759 TopAbs_Orientation vto = vte.Current().Orientation();
760 if (!VL.IsNull()) {
761 if (vto == TopAbs_FORWARD && VL.IsSame(vte.Current())) {
0d969553
Y		 762 // If the processing is in 2d (face not null) or
763 // if the edge is not degenerated it is added
7fd59977 764 if (!F.IsNull() || !BRep_Tool::Degenerated(edg))
765 ledge.Append(edg);
766 break;
767 }
768 }
0d969553 769 else { // VF is not null
7fd59977 770 if (vto == TopAbs_REVERSED && VF.IsSame(vte.Current())) {
0d969553
Y		 771 // // If the processing is in 2d (face not null) or
772 // if the edge is not degenerated it is added
7fd59977 773 if (!F.IsNull() || !BRep_Tool::Degenerated(edg))
774 ledge.Append(edg);
775 break;
776 }
777 }
778 }
779 }
780 }
781 Standard_Integer nbconnex = ledge.Extent();
782 Standard_Boolean Changedesens = Standard_False;
783 if (nbconnex == 0) {
784 if (myCstat == BRepCheck_NotClosed) {
785 if (VL.IsNull()) {
786 if (Update) {
787 BRepCheck::Add(myMap(myShape),theOstat);
788 }
0d969553 789 return theOstat; // leave
7fd59977 790 }
791 else {
0d969553
Y		 792 Index--; // because after Index++ and if there is no chain,
793 VL.Nullify(); // chain on VF is forced
7fd59977 794 theEdge = theRef;
795 Changedesens = Standard_True;
796 }
797 }
798 else {
799 theOstat = BRepCheck_BadOrientationOfSubshape;
800 if (Update) {
801 BRepCheck::Add(myMap(myShape),theOstat);
802 }
803 return theOstat;
804 }
805 }
806
0d969553
Y		 807 // JAG 03/07 else if (nbconnex >= 2 && !F.IsNull()) // Try to see in 2d
808 else if (!F.IsNull()) { // Try to see in 2d
7fd59977 809 TopoDS_Vertex pivot;
810 if (!VL.IsNull()) {
811 pivot = VL;
812 }
813 else {
814 pivot = VF;
815 }
816
817 ChoixUV(pivot,theEdge,F,ledge);
818 nbconnex = ledge.Extent();
819// 20/03/02 akm vvv : (OCC234) - The 2d exploration of wire with necessary
820// checks is performed in Closed2d, here it's useless
821// if (nbconnex == 1 && !CheckLoopOrientation( pivot, theEdge, TopoDS::Edge(ledge.First()), F, ListOfPassedEdge ))
822// {
823// theOstat = BRepCheck_BadOrientationOfSubshape;
824// if (Update)
825// BRepCheck::Add(myMap(myShape),theOstat);
826// return theOstat;
827// }
828// 20/03/02 akm ^^^
829 }
830
831 if (nbconnex >= 2) {
832 theOstat = BRepCheck_BadOrientationOfSubshape;
833 if (Update) {
834 BRepCheck::Add(myMap(myShape),theOstat);
835 }
836 return theOstat;
837 }
838 else if (nbconnex == 1) {
0d969553 839 // offset the vertex
7fd59977 840 for (vte.Init(ledge.First(),TopAbs_VERTEX);vte.More(); vte.Next()) {
841 TopAbs_Orientation vto = vte.Current().Orientation();
842 if (!VL.IsNull()) {
843 if (vto == TopAbs_REVERSED) {
844 VL = TopoDS::Vertex(vte.Current());
845 break;
846 }
847 }
0d969553 848 else { // VF is not null
7fd59977 849 if (vto == TopAbs_FORWARD) {
850 VF = TopoDS::Vertex(vte.Current());
851 break;
852 }
853 }
854 }
855 mapS.Add(ledge.First());
856 theEdge = TopoDS::Edge(ledge.First());
857 if (!vte.More()) {
858 if (!VL.IsNull()) {
859 VL.Nullify();
860 }
861 else {
862 VF.Nullify();
863 }
864 }
865 }
866 else if (!Changedesens) { //nbconnex == 0
867 theOstat = BRepCheck_NotClosed;
868 if (Update) {
869 BRepCheck::Add(myMap(myShape),theOstat);
870 }
871 return theOstat;
872 }
873
0d969553 874 // Check the closure of the wire in 2d (not done in Closed())
7fd59977 875
876 TopoDS_Vertex aVRef;
877 Standard_Boolean isCheckClose = Standard_False;
878
879 if (isGoFwd && !VF.IsNull()) {
880 aVRef = VF;
881 isCheckClose = Standard_True;
882 } else if (!isGoFwd && !VL.IsNull()) {
883 aVRef = VL;
884 isCheckClose = Standard_True;
885 }
886
887// if (Index==1 && myCstat!=BRepCheck_NotClosed &&
888// !VF.IsNull() && !F.IsNull()) {
889 if (Index==1 && myCstat!=BRepCheck_NotClosed &&
890 isCheckClose && !F.IsNull()) {
891 ledge.Clear();
892// ind = myMapVE.FindIndex(VF);
893 ind = myMapVE.FindIndex(aVRef);
894 for (TopTools_ListIteratorOfListOfShape itlsh(myMapVE(ind));
895 itlsh.More(); itlsh.Next()) {
896 const TopoDS_Edge & edg = TopoDS::Edge(itlsh.Value());
897 orient = edg.Orientation();
898 if (!theRef.IsSame(edg)) {
899 for (vte.Init(edg,TopAbs_VERTEX);vte.More(); vte.Next()) {
900 TopAbs_Orientation vto = vte.Current().Orientation();
901// if (vto == TopAbs_REVERSED && VF.IsSame(vte.Current())) {
902 if (vto == TopAbs_REVERSED && aVRef.IsSame(vte.Current())) {
903 ledge.Append(edg);
904 break;
905 }
906 }
907 }
908 }
909// ChoixUV(VF, theRef, F, ledge);
910 ChoixUV(aVRef, theRef, F, ledge);
911 if (ledge.Extent()==0) {
912 theOstat = BRepCheck_NotClosed;
913 if (Update) {
914 BRepCheck::Add(myMap(myShape),theOstat);
915 }
916 return theOstat;
917 }
918 }
0d969553 919 // End control closure 2d
7fd59977 920
921 Index ++;
922 }
923 }
924 if (Update) {
925 BRepCheck::Add(myMap(myShape),theOstat);
926 }
927 return theOstat;
928}
929//=======================================================================
930//function : SelfIntersect
931//purpose :
932//=======================================================================
933BRepCheck_Status BRepCheck_Wire::SelfIntersect(const TopoDS_Face& F,
934 TopoDS_Edge& retE1,
935 TopoDS_Edge& retE2,
936 const Standard_Boolean Update)
937{
938
939
940 Standard_Boolean ok;
941 Standard_Integer i,j,Nbedges;
942 Standard_Real first1,last1,first2,last2, tolint;
943 gp_Pnt2d pfirst1,plast1,pfirst2,plast2;
944 gp_Pnt P3d, P3d2;
945 Handle(BRepAdaptor_HSurface) HS;
946 Geom2dAdaptor_Curve C1, C2;
947 Geom2dInt_GInter Inter;
948 IntRes2d_Domain myDomain1;
949 TopTools_IndexedMapOfOrientedShape EMap;
950 TopTools_MapOfOrientedShape auxmape;
951 //
952 ok=Standard_True;
0d969553
Y		 953 //-- check with proper tolerances if there is no
954 //-- point in the tolerance of a vertex.
7fd59977 955 tolint = 1.e-10;
956 HS = new BRepAdaptor_HSurface();
957 HS->ChangeSurface().Initialize(F,Standard_False);
958 //
959 for (TopoDS_Iterator Iter1(myShape);Iter1.More();Iter1.Next()) {
960 if (Iter1.Value().ShapeType() == TopAbs_EDGE) {
961 EMap.Add(Iter1.Value());
962 }
963 }
964 //
965 Nbedges=EMap.Extent();
966 if (!Nbedges) {
967 if (Update) {
968 BRepCheck::Add(myMap(myShape),BRepCheck_EmptyWire);
969 }
970 return(BRepCheck_EmptyWire);
971 }
972 //
973 IntRes2d_Domain *tabDom = new IntRes2d_Domain[Nbedges];
974 TColGeom2d_Array1OfCurve tabCur(1,Nbedges);
975 Bnd_Array1OfBox2d boxes(1,Nbedges);
976 //
977 for(i = 1; i <= Nbedges; i++) {
978 const TopoDS_Edge& E1 = TopoDS::Edge(EMap.FindKey(i));
979 if (i == 1) {
980 Handle(Geom2d_Curve) pcu = BRep_Tool::CurveOnSurface(E1, F, first1, last1);
981 if (pcu.IsNull()) {
982 retE1=E1;
983 if (Update) {
984 BRepCheck::Add(myMap(myShape),BRepCheck_SelfIntersectingWire);
985 }
986 delete [] tabDom;
987 return(BRepCheck_SelfIntersectingWire);
988 }
989 //
990 C1.Load(pcu);
991 // To avoid exeption in Segment if C1 is BSpline - IFV
992 if(!C1.IsPeriodic()) {
993 if(C1.FirstParameter() > first1) {
994 first1 = C1.FirstParameter();
995 }
996 if(C1.LastParameter() < last1 ){
997 last1 = C1.LastParameter();
998 }
999 }
1000 //
1001 BRep_Tool::UVPoints(E1, F, pfirst1, plast1);
1002 myDomain1.SetValues(pfirst1,first1,tolint, plast1,last1,tolint);
1003 //
1004 BndLib_Add2dCurve::Add(C1, first1, last1, Precision::PConfusion(), boxes(i));
1005 }//if (i == 1) {
1006 else {
1007 C1.Load(tabCur(i));
1008 myDomain1 = tabDom[i-1];
1009 }
1010 //
1011 // Self intersect of C1
1012 Inter.Perform(C1, myDomain1, tolint, tolint);
1013 //
1014 if(Inter.IsDone()) {
1015 Standard_Integer nbp = Inter.NbPoints();
6e6cd5d9 1016 //Standard_Integer nbs = Inter.NbSegments();
7fd59977 1017 //
1018 for(Standard_Integer p=1;p<=nbp;p++) {
1019 const IntRes2d_IntersectionPoint& IP=Inter.Point(p);
1020 const IntRes2d_Transition& Tr1 = IP.TransitionOfFirst();
1021 const IntRes2d_Transition& Tr2 = IP.TransitionOfSecond();
1022 if( Tr1.PositionOnCurve() == IntRes2d_Middle
1023 || Tr2.PositionOnCurve() == IntRes2d_Middle) {
0d969553
Y		 1024 //-- Checking of points with true tolerances (ie Tol in 3d)
1025 //-- If the point of intersection is within the tolearnce of a vertex
1026 //-- this intersection is considered correct (no error)
7fd59977 1027 Standard_Boolean localok = Standard_False;
1028 Standard_Real f,l;
1029 TopLoc_Location L;
1030 const Handle(Geom_Curve) ConS = BRep_Tool::Curve(E1,L,f,l);
1031 if(!ConS.IsNull()) {
0d969553 1032 //-- try to test in 3d. (ParamOnSecond gives the same result)
7fd59977 1033 P3d = ConS->Value(IP.ParamOnFirst());
1034 P3d.Transform(L.Transformation());
1035 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 Begin
1036 }
1037 else {
1038 gp_Pnt2d aP2d = C1.Value(IP.ParamOnFirst());
1039 P3d = HS->Value(aP2d.X(), aP2d.Y());
1040 }
1041 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 End
1042 TopExp_Explorer ExplVtx;
1043 for(ExplVtx.Init(E1,TopAbs_VERTEX);
1044 localok==Standard_False && ExplVtx.More();
1045 ExplVtx.Next()) {
1046 gp_Pnt p3dvtt;
1047 Standard_Real tolvtt, p3dvttDistanceP3d;
1048 //
1049 const TopoDS_Vertex& vtt = TopoDS::Vertex(ExplVtx.Current());
1050 p3dvtt = BRep_Tool::Pnt(vtt);
1051 tolvtt = BRep_Tool::Tolerance(vtt);
1052 tolvtt=tolvtt*tolvtt;
1053 p3dvttDistanceP3d=p3dvtt.SquareDistance(P3d);
1054 if(p3dvttDistanceP3d <= tolvtt) {
1055 localok=Standard_True;
1056 }
1057 }
1058 if(localok==Standard_False) {
1059 ok=0;
1060 retE1=E1;
1061 if (Update) {
1062 BRepCheck::Add(myMap(myShape),BRepCheck_SelfIntersectingWire);
1063 }
1064 delete [] tabDom;
1065#ifdef DEB
1066 static Standard_Integer numpoint=0;
1067 cout<<"point p"<<++numpoint<<" "<<P3d.X()<<" "<<P3d.Y()<<" "<<P3d.Z()<<endl;cout.flush();
1068#endif
1069 return(BRepCheck_SelfIntersectingWire);
1070 }
1071 }
1072 }
1073 }// if(Inter.IsDone()) {
1074 //
1075 for(j=i+1; j<=Nbedges; j++) {
1076 const TopoDS_Edge& E2 = TopoDS::Edge(EMap.FindKey(j));
1077 if (i == 1) {
1078 tabCur(j) = BRep_Tool::CurveOnSurface(E2,F,first2,last2);
1079 if (!tabCur(j).IsNull() && last2 > first2) {
1080 C2.Load(tabCur(j));
1081 // To avoid exeption in Segment if C2 is BSpline - IFV
1082 if(!C2.IsPeriodic()) {
1083 if(C2.FirstParameter() > first2) {
1084 first2 = C2.FirstParameter();
1085 }
1086 if(C2.LastParameter() < last2 ) {
1087 last2 = C2.LastParameter();
1088 }
1089 }
1090 //
1091 BRep_Tool::UVPoints(E2,F,pfirst2,plast2);
1092 tabDom[j-1].SetValues(pfirst2,first2,tolint,plast2,last2,tolint);
1093
1094 BndLib_Add2dCurve::Add( C2, first2, last2, Precision::PConfusion(), boxes(j) );
1095 }
1096 else {
1097 delete [] tabDom;
1098#ifdef DEB
1099 cout<<"BRepCheck_NoCurveOnSurface or BRepCheck_InvalidRange"<<endl;cout.flush();
1100#endif
1101 if(tabCur(j).IsNull()) {
1102 return(BRepCheck_NoCurveOnSurface);
1103 }
1104 return (BRepCheck_InvalidRange);
1105 }
1106 }// if (i == 1) {
1107 else {
1108 C2.Load(tabCur(j));
1109 }
1110 //
1111 if (boxes(i).IsOut( boxes(j))) {
1112 continue;
1113 }
1114 //modified by NIZNHY-PKV Fri Oct 29 10:09:01 2010f
1115 if (E1.IsSame(E2)) {
1116 continue;
1117 }
1118 //modified by NIZNHY-PKV Fri Oct 29 10:09:02 2010t
1119 //
1120 //-- ************************************************************
0d969553 1121 //-- ******* I n t e r s e c t i o n C 1 and C 2 ********
7fd59977 1122 //-- ************************************************************
1123 Inter.Perform(C1,myDomain1,C2,tabDom[j-1],tolint,tolint);
1124 //
1125 if(Inter.IsDone()) {
1126 Standard_Integer nbp, nbs;
1127 Standard_Real IP_ParamOnFirst, IP_ParamOnSecond;
1128 IntRes2d_Transition Tr1,Tr2;
1129 TopTools_ListOfShape CommonVertices;
1130 TopTools_ListIteratorOfListOfShape itl;
1131 TopTools_MapOfShape Vmap;
1132 //
1133 TopoDS_Iterator it( E1 );
1134 for (; it.More(); it.Next()) {
1135 Vmap.Add( it.Value() );
1136 }
1137 //
1138 it.Initialize( E2 );
1139 for (; it.More(); it.Next()) {
1140 const TopoDS_Shape& V = it.Value();
1141 if (Vmap.Contains( V )) {
1142 CommonVertices.Append( V );
1143 }
1144 }
1145 //
1146 nbp = Inter.NbPoints();
1147 nbs = Inter.NbSegments();
1148 IP_ParamOnFirst = 0.;
1149 IP_ParamOnSecond = 0.;
1150 //
1151 //// **** Points of intersection **** ////
1152 for (Standard_Integer p = 1; p <= nbp; p++) {
1153 const IntRes2d_IntersectionPoint& IP = Inter.Point(p);
1154 IP_ParamOnFirst = IP.ParamOnFirst();
1155 IP_ParamOnSecond = IP.ParamOnSecond();
1156 Tr1 = IP.TransitionOfFirst();
1157 Tr2 = IP.TransitionOfSecond();
1158 if( Tr1.PositionOnCurve() == IntRes2d_Middle
1159 || Tr2.PositionOnCurve() == IntRes2d_Middle) {
0d969553
Y		 1160 //-- Checking of points with true tolerances (ie Tol in 3d)
1161 //-- If the point of intersection is within the tolerance of a vertex
1162 //-- this intersection is considered correct (no error)
7fd59977 1163 Standard_Boolean localok = Standard_False;
1164 Standard_Real f1,l1, f2, l2;
1165 TopLoc_Location L, L2;
1166 //
1167 const Handle(Geom_Curve) ConS = BRep_Tool::Curve(E1,L,f1,l1);
1168 const Handle(Geom_Curve) ConS2 = BRep_Tool::Curve(E2,L2,f2,l2);
1169 //gka protect against working out of edge range
1170 if ( f1-IP_ParamOnFirst > ::Precision::PConfusion() ||
1171 IP_ParamOnFirst-l1 > ::Precision::PConfusion() ||
1172 f2-IP_ParamOnSecond > ::Precision::PConfusion() ||
1173 IP_ParamOnSecond-l2 > ::Precision::PConfusion() )
1174 continue;
1d47d8d0 1175 Standard_Real tolvtt = 0.;
7fd59977 1176 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 Begin
1177 if (!ConS.IsNull()) {
1178 P3d = ConS->Value(IP_ParamOnFirst);
1179 P3d.Transform(L.Transformation());
1180 }
1181 else {
1182 gp_Pnt2d aP2d = C1.Value(IP_ParamOnFirst);
1183 P3d = HS->Value(aP2d.X(), aP2d.Y());
1184 }
1185 //
1186 if (!ConS2.IsNull()) {
1187 P3d2 = ConS2->Value(IP_ParamOnSecond);
1188 P3d2.Transform(L2.Transformation());
1189 }
1190 else {
1191 gp_Pnt2d aP2d = C2.Value(IP_ParamOnSecond);
1192 P3d2 = HS->Value(aP2d.X(), aP2d.Y());
1193 }
1194 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 End
1195 itl.Initialize( CommonVertices );
1196 for (; itl.More(); itl.Next()) {
1197 Standard_Real p3dvttDistanceP3d, p3dvttDistanceP3d2;
1198 gp_Pnt p3dvtt;
1199 //
1200 const TopoDS_Vertex& vtt = TopoDS::Vertex(itl.Value());
1201 p3dvtt = BRep_Tool::Pnt(vtt);
1202 tolvtt = BRep_Tool::Tolerance(vtt);
1203 tolvtt=1.1*tolvtt;
1204 tolvtt=tolvtt*tolvtt;
1205 p3dvttDistanceP3d = p3dvtt.SquareDistance(P3d);
1206 p3dvttDistanceP3d2 = p3dvtt.SquareDistance(P3d2);
1207 //
1208 if (p3dvttDistanceP3d<=tolvtt && p3dvttDistanceP3d2<=tolvtt) {
1209 localok = Standard_True;
1210 break;
1211 }
1212 }
1213
1214 //-- --------------------------------------------------------
0d969553 1215 //-- Check maximum yawn between 2 edges
7fd59977 1216 //--
0d969553
Y		 1217 //-- Check distance from edges to the curve joining
1218 //-- the point of intersection with vertex (if exists)
7fd59977 1219 if (localok == Standard_False && !CommonVertices.IsEmpty()) {
1220#ifdef DEB
1221 cout << "\n------------------------------------------------------\n" <<endl;
1222 cout << "\n--- BRepCheck Wire: AutoIntersection Phase1 -> Erreur \n" <<endl;
1223
1224#endif
1225 Standard_Boolean yaunvtxproche;
1226 Standard_Real distauvtxleplusproche,VParaOnEdge1,VParaOnEdge2;
1227 gp_Pnt VertexLePlusProche;
1228 //
1229 yaunvtxproche=Standard_False;
1230 VParaOnEdge1 =0.;
1231 VParaOnEdge2 =0.;
1232 distauvtxleplusproche=RealLast();
1233 //Find the nearest common vertex
1234 itl.Initialize( CommonVertices );
1235 for (; itl.More(); itl.Next()) {
1236 Standard_Real tolvtt, disptvtx;
1237 gp_Pnt p3dvtt;
1238 //
1239 const TopoDS_Vertex& vtt = TopoDS::Vertex(itl.Value());
1240 p3dvtt = BRep_Tool::Pnt(vtt);
1241 tolvtt = BRep_Tool::Tolerance(vtt);
1242 disptvtx = P3d.Distance(p3dvtt);
1243 if (disptvtx < distauvtxleplusproche) {
1244 VertexLePlusProche = p3dvtt;
1245 distauvtxleplusproche = disptvtx;
1246 VParaOnEdge1 = BRep_Tool::Parameter(vtt,E1);
1247 VParaOnEdge2 = BRep_Tool::Parameter(vtt,E2);
1248 }
1249 // eap: case of closed edge
1250 else if (IsEqual(distauvtxleplusproche, disptvtx)) {
1251 Standard_Real newVParaOnEdge1 = BRep_Tool::Parameter(vtt,E1);
1252 Standard_Real newVParaOnEdge2 = BRep_Tool::Parameter(vtt,E2);
1253 if (Abs(IP_ParamOnFirst - VParaOnEdge1) + Abs(IP_ParamOnSecond - VParaOnEdge2)
1254 >
1255 Abs(IP_ParamOnFirst - newVParaOnEdge1) + Abs(IP_ParamOnSecond - newVParaOnEdge2)) {
1256 VertexLePlusProche = p3dvtt;
1257 VParaOnEdge1 = newVParaOnEdge1;
1258 VParaOnEdge2 = newVParaOnEdge2;
1259 }
1260 }
1261 }
1262 //Patch: extraordinar situation (e.g. tolerance(v) == 0.)
1263 // Modified by skv - Wed Jul 23 12:28:11 2003 OCC1764 Begin
1264 // if (VertexLePlusProche.Distance( P3d ) <= gp::Resolution())
1265 if (VertexLePlusProche.Distance(P3d) <= gp::Resolution() ||
1266 VertexLePlusProche.Distance(P3d2) <= gp::Resolution()) {
1267 // Modified by skv - Wed Jul 23 12:28:12 2003 OCC1764 End
1268 localok = Standard_True;
1269 }
1270 else {
1271 gp_Lin Lig( VertexLePlusProche, gp_Vec(VertexLePlusProche,P3d) );
1272 Standard_Real du1 = 0.1*(IP_ParamOnFirst -VParaOnEdge1);
1273 Standard_Real du2 = 0.1*(IP_ParamOnSecond-VParaOnEdge2);
1274 Standard_Real maxd1 = 0., maxd2 = 0.;
1275 Standard_Integer k;
1276
1277 localok = Standard_True;
1278 Standard_Real tole1 = BRep_Tool::Tolerance(E1);
1279 for (k = 2; localok && k < 9; k++) {
0d969553 1280 Standard_Real u = VParaOnEdge1 + k*du1; // check if it works
7fd59977 1281 gp_Pnt P1;
1282 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 Begin
1283 if (!ConS.IsNull()) {
1284 P1 = ConS->Value(u);
1285 P1.Transform(L.Transformation());
1286 }
1287 else {
1288 gp_Pnt2d aP2d = C1.Value(u);
1289 P1 = HS->Value(aP2d.X(), aP2d.Y());
1290 }
1291 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 End
1292 Standard_Real d1 = Lig.Distance(P1);
1293 if (d1 > maxd1) {
1294 maxd1 = d1;
1295 }
1296 if (d1 > tole1*2.0){
1297 localok = Standard_False;
1298 }
1299 }
0d969553 1300 //-- same for edge2
7fd59977 1301 // Modified by skv - Wed Jul 23 12:22:20 2003 OCC1764 Begin
1302 gp_Dir aTmpDir(P3d2.XYZ().Subtracted(VertexLePlusProche.XYZ()));
1303
1304 Lig.SetDirection(aTmpDir);
1305 // Modified by skv - Wed Jul 23 12:22:23 2003 OCC1764 End
1306 Standard_Real tole2 = BRep_Tool::Tolerance(E2);
1307 for (k = 2; localok && k < 9; k++) {
0d969553 1308 Standard_Real u = VParaOnEdge2 + k*du2; // check if it works
7fd59977 1309 gp_Pnt P2;
1310 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 Begin
1311 if (!ConS2.IsNull()) {
1312 P2 = ConS2->Value(u);
1313 P2.Transform(L2.Transformation());
1314 }
1315 else {
1316 gp_Pnt2d aP2d = C2.Value(u);
1317 P2 = HS->Value(aP2d.X(), aP2d.Y());
1318 }
1319 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 End
1320 Standard_Real d2 = Lig.Distance(P2);
1321 if (d2 > maxd2) {
1322 maxd2 = d2;
1323 }
1324 if (d2 > tole2*2.0){
1325 localok = Standard_False;
1326 }
1327 }
1328#ifdef DEB
1329 if(localok) {
1330 printf("--- BRepCheck Wire: AutoIntersection Phase2 -> Bon \n");
1331 printf("--- distance Point Vertex : %10.7g (tol %10.7g)\n",distauvtxleplusproche,tolvtt);
1332 printf("--- Erreur Max sur E1 : %10.7g Tol_Edge:%10.7g\n",maxd1,tole1);
1333 printf("--- Erreur Max sur E2 : %10.7g Tol_Edge:%10.7g\n",maxd2,tole2);
1334 fflush(stdout);
1335 }
1336 else {
1337 printf("--- BRepCheck Wire: AutoIntersection Phase2 -> Erreur \n");
1338 printf("--- distance Point Vertex : %10.7g (tol %10.7g)\n",distauvtxleplusproche,tolvtt);
1339 printf("--- Erreur Max sur E1 : %10.7g Tol_Edge:%10.7g\n",maxd1,tole1);
1340 printf("--- Erreur Max sur E2 : %10.7g Tol_Edge:%10.7g\n",maxd2,tole2);
1341 fflush(stdout);
1342 }
1343#endif
1344 } //end of else (construction of the line Lig)
1345 } //end of if (localok == Standard_False && !CommonVertices.IsEmpty())
1346 //
1347 if(localok==Standard_False) {
1348 ok=0;
1349 retE1=E1;
1350 retE2=E2;
1351 if (Update) {
1352 BRepCheck::Add(myMap(myShape),BRepCheck_SelfIntersectingWire);
1353 }
1354#ifdef DEB
1355 static Standard_Integer numpoint1=0;
1356 cout<<"point p"<<++numpoint1<<" "<<P3d.X()<<" "<<P3d.Y()<<" "<<P3d.Z()<<endl;
1357 cout.flush();
1358#endif
1359 delete [] tabDom;
1360 return(BRepCheck_SelfIntersectingWire);
1361 } //-- localok == False
1362 } //end of if(Tr1.PositionOnCurve() == IntRes2d_Middle || Tr2.PositionOnCurve() == IntRes2d_Middle)
1363 } //end of for (Standard_Integer p=1; p <= nbp; p++)
1364 ////
1365 //// **** Segments of intersection **** ////
1366 for (Standard_Integer s = 1; s <= nbs; ++s) {
1367 const IntRes2d_IntersectionSegment& Seg = Inter.Segment(s);
1368 if (Seg.HasFirstPoint() && Seg.HasLastPoint()) {
1369 Standard_Boolean localok;
1370 Standard_Integer k;
1371 IntRes2d_IntersectionPoint PSeg [2];
1372 IntRes2d_Position aPCR1, aPCR2;
1373 //
1374 localok = Standard_False;
1375 PSeg[0] = Seg.FirstPoint();
1376 PSeg[1] = Seg.LastPoint();
1377 // At least one of extremities of the segment must be inside
1378 // the tolerance of a common vertex
1379 for (k = 0; k < 2; ++k) {
1380 IP_ParamOnFirst = PSeg[k].ParamOnFirst();
1381 IP_ParamOnSecond = PSeg[k].ParamOnSecond();
1382 Tr1 = PSeg[k].TransitionOfFirst();
1383 Tr2 = PSeg[k].TransitionOfSecond();
1384 aPCR1=Tr1.PositionOnCurve();
1385 aPCR2=Tr2.PositionOnCurve();
1386 //
1387 if(aPCR1!=IntRes2d_Middle && aPCR2!=IntRes2d_Middle) {
1388 GeomAbs_CurveType aCT1, aCT2;
1389 //ZZ
1390 aCT1=C1.GetType();
1391 aCT2=C2.GetType();
1392 if (aCT1==GeomAbs_Line && aCT2==GeomAbs_Line) {
1393 // check for the two lines coincidence
1394 Standard_Real aPAR_T, aT11, aT12, aT21, aT22, aT1m, aT2m;
1395 Standard_Real aD2, aTolE1, aTolE2, aTol2, aDot;
1396 gp_Lin2d aL1, aL2;
1397 gp_Pnt2d aP1m;
1398 //
1399 aPAR_T=0.43213918;
1400 //
1401 aTolE1=BRep_Tool::Tolerance(E1);
1402 aTolE2=BRep_Tool::Tolerance(E2);
1403 aTol2=aTolE1+aTolE2;
1404 aTol2=aTol2*aTol2;
1405 //
1406 aL1=C1.Line();
1407 aL2=C2.Line();
1408 //
1409 aT11=PSeg[0].ParamOnFirst();
1410 aT12=PSeg[1].ParamOnFirst();
1411 aT21=PSeg[0].ParamOnSecond();
1412 aT22=PSeg[1].ParamOnSecond();
1413 //
1414 aT1m=(1.-aPAR_T)*aT11 + aPAR_T*aT12;
1415 aP1m=C1.Value(aT1m);
1416 //
1417 aD2=aL2.SquareDistance(aP1m);
1418 if (aD2<aTol2) {
1419 aT2m=ElCLib::Parameter(aL2, aP1m);
1420 if (aT2m>aT21 && aT2m<aT22) {
1421 const gp_Dir2d& aDir1=aL1.Direction();
1422 const gp_Dir2d& aDir2=aL2.Direction();
1423 aDot=aDir1*aDir2;
1424 if (aDot<0.) {
1425 aDot=-aDot;
1426 }
1427 //
1428 if ((1.-aDot)<5.e-11){//0.00001 rad
1429 localok = Standard_False;
1430 break;// from for (k = 0; k < 2; ++k){...
1431 }
1432 }//if (aT2m>aT21 && aT2m<aT22) {
1433 }//if (aD2<aTol2) {
1434 }//if (aCT1==GeomAbs_Line && aCT2==GeomAbs_Line) {
1435 //ZZ
1436 localok = Standard_True;
1437 break;
1438 }
1439 //
1440 Standard_Real f,l, tolvtt;
1441 TopLoc_Location L, L2;
1442 const Handle(Geom_Curve)& ConS = BRep_Tool::Curve(E1,L,f,l);
1443 const Handle(Geom_Curve)& ConS2 = BRep_Tool::Curve(E2,L2,f,l);
1444 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 Begin
1445 if (!ConS.IsNull()) {
1446 P3d = ConS->Value(IP_ParamOnFirst);
1447 P3d.Transform(L.Transformation());
1448 } else {
1449 gp_Pnt2d aP2d = C1.Value(IP_ParamOnFirst);
1450 P3d = HS->Value(aP2d.X(), aP2d.Y());
1451 }
1452 if (!ConS2.IsNull()) {
1453 P3d2 = ConS2->Value(IP_ParamOnSecond);
1454 P3d2.Transform(L2.Transformation());
1455 } else {
1456 gp_Pnt2d aP2d = C2.Value(IP_ParamOnSecond);
1457 P3d2 = HS->Value(aP2d.X(), aP2d.Y());
1458 }
1459 // Modified by Sergey KHROMOV - Mon Apr 15 12:34:22 2002 End
1460 itl.Initialize( CommonVertices );
1461 for (; itl.More(); itl.Next()) {
1462 Standard_Real p3dvttDistanceP3d, p3dvttDistanceP3d2;
1463 gp_Pnt p3dvtt;
1464 //
1465 const TopoDS_Vertex& vtt = TopoDS::Vertex(itl.Value());
1466 p3dvtt = BRep_Tool::Pnt(vtt);
1467 tolvtt = BRep_Tool::Tolerance(vtt);
1468 tolvtt=1.1*tolvtt;
1469 tolvtt=tolvtt*tolvtt;
1470 p3dvttDistanceP3d = p3dvtt.SquareDistance(P3d);
1471 p3dvttDistanceP3d2 = p3dvtt.SquareDistance(P3d2);
1472 if (p3dvttDistanceP3d <= tolvtt && p3dvttDistanceP3d2 <= tolvtt) {
1473 localok = Standard_True;
1474 break;
1475 }
1476 }
1477 if (localok == Standard_True) {
1478 break;
1479 }
1480 } //end of for (k = 0; k < 2; k++)
1481 //
1482 if(localok==Standard_False) {
1483 ok=0;
1484 retE1=E1;
1485 retE2=E2;
1486 if (Update) {
1487 BRepCheck::Add(myMap(myShape),BRepCheck_SelfIntersectingWire);
1488 }
1489#ifdef DEB
1490 static Standard_Integer numpoint1=0;
1491 cout<<"point p"<<++numpoint1<<" "<<P3d.X()<<" "<<P3d.Y()<<" "<<P3d.Z()<<endl;
1492 cout.flush();
1493#endif
1494 delete [] tabDom;
1495 return(BRepCheck_SelfIntersectingWire);
1496 } //-- localok == False
1497 } //end of if(Seg.HasFirstPoint() && Seg.HasLastPoint())
1498 } //end of for (Standard_Integer s = 1; s <= nbs; p++)
1499 } //-- Inter.IsDone()
1500 } //end of for( j = i+1; j<=Nbedges; j++)
1501 } //end of for(i = 1; i <= Nbedges; i++)
1502 //
1503 delete [] tabDom;
1504 if (Update) {
1505 BRepCheck::Add(myMap(myShape),BRepCheck_NoError);
1506 }
1507 //
1508 return (BRepCheck_NoError);
1509}
1510//=======================================================================
1511//function : GeometricControls
1512//purpose :
1513//=======================================================================
1514void BRepCheck_Wire::GeometricControls(const Standard_Boolean B)
1515{
1516 if (myGctrl != B) {
1517 if (B) {
1518 myCdone = Standard_False;
1519 }
1520 myGctrl = B;
1521 }
1522}
1523//=======================================================================
1524//function : GeometricControls
1525//purpose :
1526//=======================================================================
1527Standard_Boolean BRepCheck_Wire::GeometricControls() const
1528{
1529 return myGctrl;
1530}
1531
7fd59977 1532//=======================================================================
1533//function : Propagate
1534//purpose : fill <mapE> with edges connected to <edg> through vertices
1535// contained in <mapVE>
1536//=======================================================================
1537static void Propagate(const TopTools_IndexedDataMapOfShapeListOfShape& mapVE,
22774b62 1538 const TopoDS_Shape& edg,
1539 TopTools_MapOfShape& mapE)
7fd59977 1540{
22774b62 1541 TopTools_ListOfShape currentEdges;
1542 currentEdges.Append(edg);
1543
1544 do
1545 {
1546 TopTools_ListOfShape nextEdges;
1547 TopTools_ListIteratorOfListOfShape itrc(currentEdges);
1548 for (; itrc.More(); itrc.Next())
1549 {
1550 const TopoDS_Shape& Edge = itrc.Value();
1551 mapE.Add(Edge);
1552
1553 TopExp_Explorer ex(Edge, TopAbs_VERTEX);
1554 for (; ex.More(); ex.Next())
1555 {
1556 const TopoDS_Vertex& vtx = TopoDS::Vertex(ex.Current());
1557 Standard_Integer indv = mapVE.FindIndex(vtx);
1558 if (indv != 0)
1559 {
1560 const TopTools_ListOfShape& edges = mapVE(indv);
1561
1562 TopTools_ListIteratorOfListOfShape itl(edges);
1563 for (; itl.More(); itl.Next())
1564 {
1565 const TopoDS_Shape& E = itl.Value();
1566 if (!Edge.IsSame(E) && !mapE.Contains(E))
1567 nextEdges.Append(E);
1568 }
1569 }
7fd59977 1570 }
1571 }
22774b62 1572 currentEdges = nextEdges;
7fd59977 1573 }
22774b62 1574 while (!currentEdges.IsEmpty());
7fd59977 1575}
22774b62 1576
7fd59977 1577//=======================================================================
1578//function : GetOrientation
1579//purpose :
1580//=======================================================================
1581
1582static TopAbs_Orientation GetOrientation(const TopTools_MapOfShape& mapE,
1583 const TopoDS_Edge& edg)
1584{
1585 TopTools_MapIteratorOfMapOfShape itm(mapE);
1586 for ( ; itm.More(); itm.Next()) {
1587 if (itm.Key().IsSame(edg)) {
1588 break;
1589 }
1590 }
1591 return itm.Key().Orientation();
1592}
1593//=======================================================================
1594//function : ChoixUV
3f257c62 1595//purpose : For vertex theVertex given function find an edge along
1596// that we should go further.
7fd59977 1597//=======================================================================
3f257c62 1598void ChoixUV(const TopoDS_Vertex& theVertex,
1599 const TopoDS_Edge& theEdge,
1600 const TopoDS_Face& theFace,
1601 TopTools_ListOfShape& theLOfShape)
1602 {
1603 TopTools_ListIteratorOfListOfShape It( theLOfShape );
7fd59977 1604 while (It.More())
1605 {
3f257c62 1606 if (theEdge.IsSame( It.Value() ))
1607 theLOfShape.Remove( It );
1608 else
1609 It.Next();
7fd59977 1610 }
1611
3f257c62 1612 Standard_Real aTol3d = BRep_Tool::Tolerance(theVertex);
1613
1614 Standard_Integer anIndex = 0, anIndMin = 0;
1615 TopoDS_Edge anEFound;
1616 gp_Pnt2d aPntRef, aPnt;
1617 gp_Vec2d aDerRef, aDer;
1618 Standard_Real aMinAngle, aMaxAngle, anAngle;
1619 Standard_Real a_gpResolution=gp::Resolution();
1620 TopAbs_Orientation aVOrientation, anEdgOrientation;
1621 Standard_Real aParam = 0.0, aFirstParam = 0.0, aLastParam = 0.0, aParPiv = 0.0;
1622 BRepAdaptor_Surface aFaceSurface(theFace,Standard_False); // no restriction
1623
1624 Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(theEdge, theFace, aFirstParam, aLastParam);
1625 if (C2d.IsNull())// JAG 10.12.96
7fd59977 1626 return;
3f257c62 1627
1628 aVOrientation = theVertex.Orientation();
1629 anEdgOrientation = theEdge.Orientation();
7fd59977 1630
3f257c62 1631 aParPiv =(aVOrientation==anEdgOrientation) ? aFirstParam : aLastParam;
1632 aMinAngle = RealLast();
1633 aMaxAngle = RealFirst();
7fd59977 1634
3f257c62 1635 CurveDirForParameter(C2d, aParPiv, aPntRef, aDerRef);
1636
1637 if (aVOrientation != anEdgOrientation)
1638 aDerRef.Reverse();
7fd59977 1639
3f257c62 1640 It.Initialize(theLOfShape);
7fd59977 1641
3f257c62 1642 for (; It.More(); It.Next())
1643 {
1644 anIndex++;
1645 const TopoDS_Edge& anE=TopoDS::Edge(It.Value());
1646 C2d = BRep_Tool::CurveOnSurface(anE, theFace, aFirstParam, aLastParam);
1647 if(C2d.IsNull())
7fd59977 1648 continue;
7fd59977 1649
3f257c62 1650 aParam =(aVOrientation != anE.Orientation()) ? aFirstParam : aLastParam;
1651 aPnt = C2d->Value(aParam);
1652
1653 if(!IsDistanceIn2DTolerance(aFaceSurface, aPnt, aPntRef, aTol3d, Standard_False))
7fd59977 1654 continue;
3f257c62 1655
1656 CurveDirForParameter(C2d, aParam, aPnt, aDer);
1657
1658 if (aVOrientation == anE.Orientation())
1659 aDer.Reverse();
1660
1661 if ((aDerRef.Magnitude() <= a_gpResolution) ||
1662 (aDer.Magnitude() <= a_gpResolution))
1663//Vector length is too small
7fd59977 1664 continue;
3f257c62 1665
1666 anAngle = -aDerRef.Angle( aDer );
1667
1668 if ( anAngle < 0. )
1669 anAngle += 2.*M_PI;
1670
1671 if ( theFace.Orientation() == TopAbs_FORWARD )
1672 {
1673 if ( anAngle < aMinAngle )
1674 {
1675 anIndMin = anIndex;
1676 aMinAngle = anAngle;
1677 }
7fd59977 1678 }
3f257c62 1679 else //theFace.Orientation() != TopAbs_FORWARD
1680 {
1681 if ( anAngle > aMaxAngle )
1682 {
1683 anIndMin = anIndex;
1684 aMaxAngle = anAngle;
1685 }
7fd59977 1686 }
3f257c62 1687 }//end of for
1688
1689// Update edge
1690 if (anIndMin == 0)
1691 if (theLOfShape.Extent() == 1)
1692 {
1693 Standard_Boolean IsFound = Standard_True; //all right
1694 anEFound = TopoDS::Edge(theLOfShape.First());
1695
1696 if(anEFound.IsNull() || BRep_Tool::Degenerated(theEdge) ||
1697 BRep_Tool::Degenerated(anEFound))
1698 IsFound = Standard_False; //bad
1699 else if (!IsDistanceIn2DTolerance(aFaceSurface, aPnt, aPntRef, aTol3d))
1700 IsFound = Standard_False; //bad
1701 else
1702 // clousureness in 3D
1703 {
1704//IsDistanceIn3DTolerance
1705 BRepAdaptor_Curve bcEdg(theEdge, theFace);
1706 BRepAdaptor_Curve bcEvois(anEFound, theFace);
1707 gp_Pnt pEdg = bcEdg.Value(aParPiv);
1708 gp_Pnt pEFound = bcEvois.Value(aParam);
1709
1710 if(!IsDistanceIn3DTolerance(theFace, pEdg, pEFound, aTol3d))
1711 IsFound = Standard_False;
1712 else
1713//angle was not defined but points are close
1714 IsFound = Standard_True; //all right
1715 }
1716
1717 if(!IsFound)
1718 {
1719 theLOfShape.Clear();
1720 }
1721 }//if (theLOfShape.Extent() == 1)
1722 else //if (anIndMin == 0)
1723 {
1724 theLOfShape.Clear();
7fd59977 1725 }
3f257c62 1726 else
1727 {
1728 anIndex = 1;
1729
1730 while (anIndex < anIndMin)
1731 {
1732 theLOfShape.RemoveFirst();
1733 anIndex++;
7fd59977 1734 }
3f257c62 1735
1736 It.Initialize(theLOfShape);
7fd59977 1737 It.Next();
3f257c62 1738
7fd59977 1739 while (It.More())
3f257c62 1740 theLOfShape.Remove(It);
1741 }
1742 }//End of function
1743
1744
7fd59977 1745//=======================================================================
1746//function : CurveDirForParameter
1747//purpose :
1748//=======================================================================
1749void CurveDirForParameter(const Handle(Geom2d_Curve)& aC2d,
1750 const Standard_Real aPrm,
1751 gp_Pnt2d& Pnt,
1752 gp_Vec2d& aVec2d)
1753{
1754 Standard_Real aTol=gp::Resolution();
1755 Standard_Integer i;
1756
1757 aC2d->D1(aPrm, Pnt, aVec2d);
1758 //
1759 if (aVec2d.Magnitude() <= aTol) {
1760 for (i = 2; i <= 100; i++){
1761 aVec2d = aC2d->DN(aPrm, i);
1762 if (aVec2d.Magnitude() > aTol) {
1763 break;
1764 }
1765 }
1766 }
1767}
1768
1769// Modified by Sergey KHROMOV - Wed May 22 10:44:06 2002 OCC325 Begin
1770//=======================================================================
1771//function : GetPnts2d
1772//purpose : this function returns the parametric points of theVertex on theFace.
1773// If theVertex is a start and end vertex of theEdge hasSecondPnt
1774// becomes Standard_True and aPnt2 returns the second parametric point.
1775// Returns Standard_True if paraametric points are successfully found.
1776//=======================================================================
1777
1778static Standard_Boolean GetPnt2d(const TopoDS_Vertex &theVertex,
1779 const TopoDS_Edge &theEdge,
1780 const TopoDS_Face &theFace,
1781 gp_Pnt2d &aPnt)
1782{
1783 Handle(Geom2d_Curve) aPCurve;
1784 Standard_Real aFPar;
1785 Standard_Real aLPar;
1786 Standard_Real aParOnEdge;
1787 TopoDS_Vertex aFirstVtx;
1788 TopoDS_Vertex aLastVtx;
1789
1790 TopExp::Vertices(theEdge, aFirstVtx, aLastVtx);
1791
1792 if (!theVertex.IsSame(aFirstVtx) && !theVertex.IsSame(aLastVtx))
1793 return Standard_False;
1794
1795 aPCurve = BRep_Tool::CurveOnSurface(theEdge, theFace, aFPar, aLPar);
1796
1797 if (aPCurve.IsNull())
1798 return Standard_False;
1799
1800 aParOnEdge = BRep_Tool::Parameter(theVertex, theEdge);
1801 aPnt = aPCurve->Value(aParOnEdge);
1802
1803 return Standard_True;
1804}
1805
1806//=======================================================================
1807//function : Closed2dForPeriodicFace
1808//purpose : Checks the distance between first point of the first edge
1809// and last point of the last edge in 2d for periodic face.
1810//=======================================================================
1811static Standard_Boolean IsClosed2dForPeriodicFace
1812 (const TopoDS_Face &theFace,
1813 const gp_Pnt2d &theP1,
1814 const gp_Pnt2d &theP2,
1815 const TopoDS_Vertex &theVertex)
1816{
1817// Check 2d distance for periodic faces with seam edge.
1818// Searching for seam edges
1819 TopTools_ListOfShape aSeamEdges;
1820 TopTools_MapOfShape NotSeams;
1821 TopTools_MapOfShape ClosedEdges;
1822 TopExp_Explorer anExp(theFace, TopAbs_EDGE);
1823
1824 for (;anExp.More(); anExp.Next()) {
1825 TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current());
1826
1827 if (NotSeams.Contains(anEdge))
1828 continue;
1829
1830 if (!IsOriented(anEdge) ||
1831 !BRep_Tool::IsClosed(anEdge, theFace)) {
1832 NotSeams.Add(anEdge);
1833 continue;
1834 }
1835
1836 if (!ClosedEdges.Add(anEdge))
1837 aSeamEdges.Append(anEdge);
1838 }
1839
1840 if (aSeamEdges.Extent() == 0)
1841 return Standard_True;
1842
1843// check if theVertex lies on one of the seam edges
1844 BRepAdaptor_Surface aFaceSurface (theFace, Standard_False);
1845 Standard_Real aTol = BRep_Tool::Tolerance(theVertex);
1846 Standard_Real aUResol = aFaceSurface.UResolution(aTol);
1847 Standard_Real aVResol = aFaceSurface.VResolution(aTol);
1848 Standard_Real aVicinity = Sqrt(aUResol*aUResol + aVResol*aVResol);
1849 Standard_Real aDistP1P2 = theP1.Distance(theP2);
1850
1851
1852 TopTools_ListIteratorOfListOfShape anIter(aSeamEdges);
1853
1854 for (; anIter.More(); anIter.Next()) {
1855 TopoDS_Edge aSeamEdge = TopoDS::Edge(anIter.Value());
1856
1857 anExp.Init(aSeamEdge, TopAbs_VERTEX);
1858 for (; anExp.More(); anExp.Next()) {
1859 const TopoDS_Shape &aVtx = anExp.Current();
1860
1861// We found an edge. Check the distance between two given points
1862// to be lower than the computed tolerance.
1863 if (IsOriented(aVtx) && aVtx.IsSame(theVertex)) {
1864 gp_Pnt2d aPnt1;
1865 gp_Pnt2d aPnt2;
1866 Standard_Real a2dTol;
1867
1868 if (!GetPnt2d(theVertex, aSeamEdge, theFace, aPnt1))
1869 continue;
1870
1871 aSeamEdge = TopoDS::Edge(aSeamEdge.Reversed());
1872
1873 if (!GetPnt2d(theVertex, aSeamEdge, theFace, aPnt2))
1874 continue;
1875
1876 a2dTol = aPnt1.Distance(aPnt2)*1.e-2;
1877 a2dTol = Max(a2dTol, aVicinity);
1878
1879 if (aDistP1P2 > a2dTol)
1880 return Standard_False;
1881 }
1882 }
1883 }
1884
1885 return Standard_True;
1886}
1887// Modified by Sergey KHROMOV - Thu Jun 20 10:58:05 2002 End
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